Re: Dumb question for european prepress specialists
Re: Dumb question for european prepress specialists
- Subject: Re: Dumb question for european prepress specialists
- From: Rich Apollo <email@hidden>
- Date: Mon, 28 Nov 2005 16:48:57 -0600
On Nov 28, 2005, at 4:32 PM, Roger Breton wrote:
Rich, what about their gray balance target of a* = 0 and b* = -2 for a
midtone gray?
That's GRACoL 7. I was referring to GRACoL 6. But, GRACoL 7 doesn't
specify a color for that 50% screen, either. The gray balance is for
process control. Where GRACoL 6 and SWOP specified that dot gain at
50% should be X, GRACoL 7 specifies that 50C, 40M, 40Y should = a*0
and b*-2. L* is still up in the air, but I believe that it will come
down to equal to the L* of a 50% K.
Rich Apollo
314-344-1144
email@hidden
www.prioritylitho.com
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